2020 Long Range Weather Forecast for Brentwood, NY

Get the Long Range Weather for Your Location

See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of The 2021 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

September 2020 Long Range Weather Forecast for Atlantic Corridor
DatesWeather Conditions
Sep 1-10Showers, then sunny, cool
Sep 11-20Rain, some heavy; mild
Sep 21-30Sunny; cool, then warm
Septembertemperature 65° (2° below avg.)
precipitation 6.5" (3" above avg.)

October 2020 Long Range Weather Forecast for Atlantic Corridor
DatesWeather Conditions
Oct 1-8Rain, then sunny, warm
Oct 9-12Tropical rains, warm
Oct 13-17Sunny, warm
Oct 18-24Isolated showers, turning cool
Oct 25-31Sunny, warm
Octobertemperature 62° (6° above avg.)
precipitation 3.5" (avg.)

Annual Weather Summary
November 2019 to October 2020

Winter temperatures will be much above normal, on average, with the coldest periods in mid- and late January and early and late February. Precipitation will be above normal, with below-normal snowfall. The snowiest periods will occur in mid- and late January and early February. April and May will be warmer than normal, with precipitation near normal in the north and above normal in the south. Summer will be hotter and rainier than normal, with the hottest periods in mid-July and early to mid-August. September and October will be warmer and rainier than normal, with a tropical storm threat in early to mid-October.

Map showing Old Farmer's Almanac long range weather region number 2

About the Atlantic Corridor Region

The Atlantic Corridor long range weather region includes all or part of the following states: CONNECTICUT (Bridgeport, Hartford, New Haven, Stamford, Waterbury), DELAWARE (Bear, Dover, Newark, Pike Creek, Wilmington), DISTRICT OF COLUMBIA (Washington), MARYLAND (Baltimore, Columbia, Dundalk, Ellicott City, Silver Spring), MASSACHUSETTS (Boston, Brockton, Cambridge, New Bedford, Worcester), NEW JERSEY (Edison, Elizabeth, Jersey City, Newark, Paterson), NEW YORK (Hempstead, Mount Vernon, New Rochelle, New York, Yonkers), PENNSYLVANIA (Chester, Levittown, Norristown, Philadelphia, Radnor), RHODE ISLAND (Cranston, East Providence, Pawtucket, Providence, Warwick), VIRGINIA (Alexandria, Arlington, Hampton, Newport News, Richmond).

Atlantic Corridor Neighboring Regions

Here are the regions that neighbor the Atlantic Corridor long range weather region:

Temperature and Precipitation November 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Brentwood, NY

Reader Comments

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Long Island weather may 27th 2018

outdoor wedding on May 27, 2018 on north shore long island sound what will weather be like?

July 7, 2018

I am having a outside birthday party on July 7, 2018. Can you tell me what the weather will be like in Bronxville NY

Yearly July 4th party

We have a large outside party every July 4th. Are you expecting any rain on the fourth in EastQUOGUE,NY?

Wedding and Bridal shower

Any chance of rain on 6/8/2018 or 8/17/2018

Bridal shower /garden party July 7th,2018

Our daughter's bridal shower is scheduled for Saturday July 7th 2018...Hoping for outside venue since it is a garden party theme .
Live in Philadelphia /South Jersey area. Could the shower be a "wash out" ? Please let me know .

Wedding july 8, 2018

Our wedding is at an arboretum and is scheduled to be outside. We have an indoor options just in case but would be heartbroken. Do you have any idea of what the weather will be like that day.

Commencement at Gillette Stadium - May 5, 2018

Hello! I'm hoping you can tell us if we should expect rain on graduation day this year.
MCPHS University's Commencement is at Gillette Stadium in Foxboro, MA on 5/5/2018.
Thank you in advance! And best wishes to everyone for good weather on their special day!
Sincerely, Victoria Howard

June 9, 2018

Wedding on June 9, 2018 in millstone nj, any chance of rain?

Graduation and Graduation Party

Hello! My daughter's Graduation party is on Saturday, June 9, 2018 and her Graduation is on Thursday, June 14, 2018. Both are outdoors, and I am hoping and keeping my fingers crossed, for good weather. If you could give me any information; that would be greatly appreciated. Thank you very much!!

Wedding day May 12, 2018

Hello- We are getting married outdoors May 12, 2018 in Connecticut...Please advise what we should be expecting for weather..My fiance built us a beautiful arbor by our pond..would really like to be married outdoors. Everyone (and reception)will be dressed for a Spring sunny day..Please let us know. Thank you in advance...-Jen and Anthony

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